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-rw-r--r--src/lib/hash.c69
1 files changed, 61 insertions, 8 deletions
diff --git a/src/lib/hash.c b/src/lib/hash.c
index f4fd75ea..e7806d94 100644
--- a/src/lib/hash.c
+++ b/src/lib/hash.c
@@ -28,16 +28,69 @@
#include <ouroboros/hash.h>
#include <string.h>
+#include <assert.h>
+#include <stdbool.h>
-void get_hash(uint8_t buf[],
- const char * name)
+uint16_t hash_len(enum hash_algo algo)
{
- /* currently we only support 256 bit SHA-3 */
- struct sha3_ctx ctx;
-
- rhash_sha3_256_init(&ctx);
+ switch (algo) {
+ case HASH_CRC32:
+ return CRC32_HASH_LEN;
+ case HASH_MD5:
+ return MD5_HASH_LEN;
+ case HASH_SHA3_224:
+ return SHA3_224_HASH_LEN;
+ case HASH_SHA3_256:
+ return SHA3_256_HASH_LEN;
+ case HASH_SHA3_384:
+ return SHA3_384_HASH_LEN;
+ case HASH_SHA3_512:
+ return SHA3_512_HASH_LEN;
+ default:
+ assert(false);
+ break;
+ }
+}
- rhash_sha3_update(&ctx, name, strlen(name));
+void str_hash(enum hash_algo algo,
+ void * buf,
+ const char * str)
+{
+ struct sha3_ctx sha3_ctx;
+ struct md5_ctx md5_ctx;
- rhash_sha3_final(&ctx, buf);
+ switch (algo) {
+ case HASH_CRC32:
+ memset(buf, 0, CRC32_HASH_LEN);
+ crc32((uint32_t *) buf, str, strlen(str));
+ break;
+ case HASH_MD5:
+ rhash_md5_init(&md5_ctx);
+ rhash_md5_update(&md5_ctx, str, strlen(str));
+ rhash_md5_final(&md5_ctx, (uint8_t *) buf);
+ break;
+ case HASH_SHA3_224:
+ rhash_sha3_224_init(&sha3_ctx);
+ rhash_sha3_update(&sha3_ctx, str, strlen(str));
+ rhash_sha3_final(&sha3_ctx, (uint8_t *) buf);
+ break;
+ case HASH_SHA3_256:
+ rhash_sha3_256_init(&sha3_ctx);
+ rhash_sha3_update(&sha3_ctx, str, strlen(str));
+ rhash_sha3_final(&sha3_ctx, (uint8_t *) buf);
+ break;
+ case HASH_SHA3_384:
+ rhash_sha3_384_init(&sha3_ctx);
+ rhash_sha3_update(&sha3_ctx, str, strlen(str));
+ rhash_sha3_final(&sha3_ctx, (uint8_t *) buf);
+ break;
+ case HASH_SHA3_512:
+ rhash_sha3_512_init(&sha3_ctx);
+ rhash_sha3_update(&sha3_ctx, str, strlen(str));
+ rhash_sha3_final(&sha3_ctx, (uint8_t *) buf);
+ break;
+ default:
+ assert(false);
+ break;
+ }
}